namespace glm
{
	template<typename T>
	GLM_FUNC_QUALIFIER T (min)(T a, T b, T c)
	{
		return (glm::min)((glm::min)(a, b), c);
	}

	template<typename T>
	GLM_FUNC_QUALIFIER T (min)(T a, T b, T c, T d)
	{
		return (glm::min)((glm::min)(a, b), (glm::min)(c, d));
	}

	template<typename T>
	GLM_FUNC_QUALIFIER T (max)(T a, T b, T c)
	{
		return (glm::max)((glm::max)(a, b), c);
	}

	template<typename T>
	GLM_FUNC_QUALIFIER T (max)(T a, T b, T c, T d)
	{
		return (glm::max)((glm::max)(a, b), (glm::max)(c, d));
	}

	using std::fmin;

	template<typename T>
	GLM_FUNC_QUALIFIER T (fmin)(T a, T b, T c)
	{
		static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmin' only accept floating-point input");

		if (isnan(a))
			return (fmin)(b, c);
		if (isnan(b))
			return (fmin)(a, c);
		if (isnan(c))
			return min(a, b);
		return (min)(a, b, c);
	}

	template<typename T>
	GLM_FUNC_QUALIFIER T (fmin)(T a, T b, T c, T d)
	{
		static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmin' only accept floating-point input");

		if (isnan(a))
			return (fmin)(b, c, d);
		if (isnan(b))
			return (min)(a, (fmin)(c, d));
		if (isnan(c))
			return (fmin)(min(a, b), d);
		if (isnan(d))
			return (min)(a, b, c);
		return (min)(a, b, c, d);
	}

	using std::fmax;

	template<typename T>
	GLM_FUNC_QUALIFIER T (fmax)(T a, T b, T c)
	{
		static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmax' only accept floating-point input");

		if (isnan(a))
			return (fmax)(b, c);
		if (isnan(b))
			return (fmax)(a, c);
		if (isnan(c))
			return (max)(a, b);
		return (max)(a, b, c);
	}

	template<typename T>
	GLM_FUNC_QUALIFIER T (fmax)(T a, T b, T c, T d)
	{
		static_assert(std::numeric_limits<T>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fmax' only accept floating-point input");

		if (isnan(a))
			return (fmax)(b, c, d);
		if (isnan(b))
			return (max)(a, (fmax)(c, d));
		if (isnan(c))
			return (fmax)((max)(a, b), d);
		if (isnan(d))
			return (max)(a, b, c);
		return (max)(a, b, c, d);
	}

	// fclamp
	template<typename genType>
	GLM_FUNC_QUALIFIER genType fclamp(genType x, genType minVal, genType maxVal)
	{
		static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'fclamp' only accept floating-point or integer inputs");
		return fmin((fmax)(x, minVal), maxVal);
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER genType clamp(genType const& Texcoord)
	{
		return glm::clamp(Texcoord, static_cast<genType>(0), static_cast<genType>(1));
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER genType repeat(genType const& Texcoord)
	{
		return glm::fract(Texcoord);
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER genType mirrorClamp(genType const& Texcoord)
	{
		return glm::fract(glm::abs(Texcoord));
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER genType mirrorRepeat(genType const& Texcoord)
	{
		genType const Abs = glm::abs(Texcoord);
		genType const Clamp = glm::mod(glm::floor(Abs), static_cast<genType>(2));
		genType const Floor = glm::floor(Abs);
		genType const Rest = Abs - Floor;
		genType const Mirror = Clamp + Rest;
		return mix(Rest, static_cast<genType>(1) - Rest, Mirror >= static_cast<genType>(1));
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER int iround(genType const& x)
	{
		static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'iround' only accept floating-point inputs");
		assert(static_cast<genType>(0.0) <= x);

		return static_cast<int>(x + static_cast<genType>(0.5));
	}

	template<typename genType>
	GLM_FUNC_QUALIFIER uint uround(genType const& x)
	{
		static_assert(std::numeric_limits<genType>::is_iec559 || GLM_CONFIG_UNRESTRICTED_FLOAT, "'uround' only accept floating-point inputs");
		assert(static_cast<genType>(0.0) <= x);

		return static_cast<uint>(x + static_cast<genType>(0.5));
	}
}//namespace glm
